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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
during the length of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "during the length of" is correct and usable in written English.
It can be used to indicate a specific duration or time period in which something occurs. Example: "During the length of the project, we encountered several unexpected challenges that required immediate attention."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
throughout the duration of
over the course of
for the duration of
while
during the period of
in the time of
within the timeframe of
during the existence of
within the reality of
within the soul of
in the period between
during
throughout the length
for the length of
within the range of
eventually between
for the time that
including the period
throughout the longevity
approximately between
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
51 human-written examples
Recent Which? research found that 70% of people on fixed contracts did not know mobile phone companies could increase prices during the length of their contract.
News & Media
The charter indicated the main conservative trends in Dutch colonial policy that reappeared intermittently during the length of the Dutch stay in Indonesia.
Encyclopedias
According to the W.H.O., an outbreak is not over until no new cases have occurred during the length of time that is twice the incubation period of the virus ��� forty-two days for Ebola.
News & Media
The proposed deal is likely to give players slightly less than 50 percent of all revenue, but that revenue is expected to rise significantly during the length of a new agreement.
News & Media
Designed to be simple enough to deliver during the length of an elevator ride, it is a "brief, persuasive speech that you use to spark interest in what your organization does".
News & Media
The market for Sehorn appears to be in the range of $6 million annually with about a $9 million signing bonus, providing the contract can be structured so that Sehorn's salary-cap figure for 2001 is as much as half its face value during the length of the pact.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
First, if no HP packet arrives during R, the length of R2 is equal to R|R < A1.
The effect of cyanide on fish relies on the cyanide concentration during exposure, the length of time of the exposure and the size of the species (Bruckner and Roberts 2008).
Following injury, animals were given three daily trials during which the length of time spent on the beam was recorded.
Science
At any time during trial The length of gestation postrecruitment will be analysed using a t test.
Science
Because of potential changes in glomerular size during disease, the length of Bowman's capsule, measured in millimeters, was used as the denominator.
Science
Expert writing Tips
Best practice
Use "during the length of" when you want to emphasize the span of time an event or condition persists. For example, "During the length of the study, researchers observed significant changes."
Common error
Avoid using "during the length of time" as it is redundant. The phrase "during the length of" already implies a time period. Instead, stick to "during the length of the contract" or "during that time."
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "during the length of" functions as a prepositional phrase modifying a noun or noun phrase to specify the time frame in which something occurs. Ludwig examples show it being used to indicate the duration of contracts, studies, and other events.
Frequent in
Science
47%
News & Media
35%
Wiki
7%
Less common in
Encyclopedias
2%
Formal & Business
2%
Social Media
0%
Ludwig's WRAP-UP
In summary, "during the length of" is a grammatically sound prepositional phrase used to specify a time period during which something occurs. According to Ludwig AI, the phrase is usable and correct. It is frequently found in scientific and news contexts and can be replaced with alternatives such as "throughout the duration of" or "over the course of" for variety. When using the phrase, ensure it is not redundant by omitting "time" and specify the period appropriately. With a strong source quality score and common usage, "during the length of" is a reliable phrase to use in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
throughout the duration of
Replaces "length" with "duration" and uses "throughout" instead of "during".
over the course of
Indicates something happening over a period of time.
for the duration of
Focuses on the entire duration rather than events within it.
during the period of
Substitutes "length" with "period", emphasizing a specific timeframe.
while
A more concise way to indicate simultaneous events or actions.
in the time of
Emphasizes a specific moment or era.
within the timeframe of
Highlights that something occurs inside a defined time window.
throughout the entirety of
Stresses that the action spans the whole duration.
during the existence of
Emphasizes the life or active period of something.
across the timeline of
Highlights the chronological aspect.
FAQs
How can I use "during the length of" in a sentence?
Use "during the length of" to specify the time frame in which something occurs. For example, "During the length of the trial, new evidence emerged."
What are some alternatives to "during the length of"?
Alternatives include "throughout the duration of", "over the course of", or "for the duration of".
Is it more correct to say "during the length of" or "during the period of"?
"During the length of" and "during the period of" are both grammatically correct, though "during the period of" might sound slightly more formal. Consider the specific context to determine which sounds more appropriate.
What's the difference between "during the length of" and "while"?
"During the length of" specifies a continuous period, whereas "while" can refer to overlapping events or simultaneous actions. Using "while" is generally more concise, but "during the length of" emphasizes the duration involved.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested